Quite a bite!

AFP/Getty Images

A boy reaches out to touch the teeth of a moving life-size model of a Tyrannosaurus Rex dinosaur in London. Scientists say they have proof that the Tyrannosaurus Rex, the dinosaur adored by children and the makers of plastic toys, had the most powerful bite of any creature that lived on land. The bite of a grown T. Rex was 10 times that of an alligator today, exerting a force of nearly six tonnes -- the weight of an elephant -- on a single tooth

A boy reaches out to touch the teeth of a moving life-size model of a Tyrannosaurus Rex dinosaur in London. Scientists say they have proof that the Tyrannosaurus Rex, the dinosaur adored by children and the makers of plastic toys, had the most powerful bite of any creature that lived on land. The bite of a grown T. Rex was 10 times that of an alligator today, exerting a force of nearly six tonnes -- the weight of an elephant -- on a single tooth